People simply have less time for the deep and thorough reading our parents might have done a generation ago. Most of us deal with many input sources — the web, email, twitter, SMS, and IM to name a few — so we naturally tend to favor any information that can be grasped in seconds, if not instantaneously.
Our brain is hard-wired to process the world in a visual form. It’s part of our ‘native OS’. For at least 40,000 years, humans have been transferring information from one person to another with the help of images, pictograms and graphic symbols.
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